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fix backspace issue. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1257 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2011-01-24 09:48:00 +00:00
parent 1f46f9da43
commit 2aeee86c5f
1 changed files with 2 additions and 1 deletions
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3
components/rtgui/widgets/textbox.c
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@ -10,6 +10,7 @@
* Change Logs:
* Date Author Notes
* 2009-10-16 Bernard first version
* 2011-01-224 Bernard fix backspace issue.
*/
#include <rtgui/dc.h>
#include <rtgui/rtgui_theme.h>
@ -166,7 +167,7 @@ static void rtgui_textbox_onkey(struct rtgui_textbox* box, struct rtgui_event_kb
}
else if (event->key == RTGUIK_BACKSPACE)
{
if (box->position == length - 1)
if ((box->position == length - 1) && length != 1)
{
box->text[box->position] = '\0';
box->position --;